Table 3.

Logistic regression predicting refill adherence <90% (n = 309)

Variable	Odds ratio (95% CI)	P-value
Use of medications twice daily or less frequently	2.35 (1.20, 4.60)	0.01
Changed daily routine to accommodate medication schedule	2.35 (1.23, 4.52)	0.01
Smoker	2.42 (1.02, 5.75)	0.045
Morisky score >0	1.69 (0.93, 3.07)	0.09
Born in North America	1.52 (0.79, 2.91)	0.21
Health Belief Model – Perceived benefits score	1.14 (0.94, 1.38)	0.18
Use of antidepressants	0.99 (0.48, 2.05)	0.98
Patient self-reported adherence (%)	0.98 (0.95, 1.02)	0.36
Use of adherence aids	0.74 (0.41, 1.36)	0.34

Hosmer and Lemeshow goodness-of-fit P-value = 0.51.